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regression: rustc crashes during TLS access when compiling compiler_builtins v0.1.27 on windows-msvc #71936

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petrochenkov opened this issue May 6, 2020 · 1 comment
Closed

regression: rustc crashes during TLS access when compiling compiler_builtins v0.1.27 on windows-msvc #71936

petrochenkov opened this issue May 6, 2020 · 1 comment
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C-bug Category: This is a bug. I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. regression-from-stable-to-nightly Performance or correctness regression from stable to nightly. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@petrochenkov
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petrochenkov commented May 6, 2020 •
edited
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This is a regression from the last couple of days and it prevents rustc from bootstrapping on windows-msvc.

The commit tried: f8d394e.
Command: ./x.py test --bless --stage 1 src/test/run-make.

Exception:

Unhandled exception thrown: read access violation.
***(_tls_end)** was 0xFFFFFFFFFFFFFF3F.

Backtrace:

[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::intrinsics::copy_nonoverlapping() Line 2058
	at C:\msys64\home\we\rust\src\libcore\intrinsics.rs(2058)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::ptr::swap_nonoverlapping_bytes() Line 468
	at C:\msys64\home\we\rust\src\libcore\ptr\mod.rs(468)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::ptr::swap_nonoverlapping() Line 424
	at C:\msys64\home\we\rust\src\libcore\ptr\mod.rs(424)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::ptr::swap_nonoverlapping_one() Line 436
	at C:\msys64\home\we\rust\src\libcore\ptr\mod.rs(436)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::mem::swap() Line 680
	at C:\msys64\home\we\rust\src\libcore\mem\mod.rs(680)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::mem::replace() Line 805
	at C:\msys64\home\we\rust\src\libcore\mem\mod.rs(805)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!std::thread::local::lazy::LazyKeyInner::initialize() Line 304
	at C:\msys64\home\we\rust\src\libstd\thread\local.rs(304)
rustc_driver-22379f3767b935ec.dll!std::thread::local::fast::Key::try_initialize<core::cell::RefCell<std::collections::hash::map::HashMap<(usize, usize), rustc_data_structures::fingerprint::Fingerprint, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>,fn() -> core::cell::RefCell<std::collections::hash::map::HashMap<(usize, usize), rustc_data_structures::fingerprint::Fingerprint, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>>() Line 425
	at C:\msys64\home\we\rust\src\libstd\thread\local.rs(425)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!std::thread::local::fast::Key::get() Line 410
	at C:\msys64\home\we\rust\src\libstd\thread\local.rs(410)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_middle::ich::impls_ty::{{impl}}::hash_stable::CACHE::__getit() Line 175
	at C:\msys64\home\we\rust\src\libstd\thread\local.rs(175)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!std::thread::local::LocalKey::try_with() Line 262
	at C:\msys64\home\we\rust\src\libstd\thread\local.rs(262)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!std::thread::local::LocalKey::with() Line 239
	at C:\msys64\home\we\rust\src\libstd\thread\local.rs(239)
rustc_driver-22379f3767b935ec.dll!rustc_middle::ich::impls_ty::{{impl}}::hash_stable<rustc_middle::ty::subst::GenericArg>() Line 39
	at C:\msys64\home\we\rust\src\librustc_middle\ich\impls_ty.rs(39)
rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::sty::_DERIVE_rustc_data_structures_stable_hasher_HashStable_rustc_middle_ich_StableHashingContext_ctx_FOR_TyKind::{{impl}}::hash_stable() Line 90
	at C:\msys64\home\we\rust\src\librustc_middle\ty\sty.rs(90)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_symbol_mangling::legacy::get_symbol_hash::{{closure}}::{{closure}}::{{closure}}() Line 106
	at C:\msys64\home\we\rust\src\librustc_symbol_mangling\legacy.rs(106)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_middle::ich::hcx::StableHashingContext::with_node_id_hashing_mode() Line 120
	at C:\msys64\home\we\rust\src\librustc_middle\ich\hcx.rs(120)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_symbol_mangling::legacy::get_symbol_hash::{{closure}}::{{closure}}() Line 105
	at C:\msys64\home\we\rust\src\librustc_symbol_mangling\legacy.rs(105)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_middle::ich::hcx::StableHashingContext::while_hashing_spans() Line 108
	at C:\msys64\home\we\rust\src\librustc_middle\ich\hcx.rs(108)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_symbol_mangling::legacy::get_symbol_hash::{{closure}}() Line 104
	at C:\msys64\home\we\rust\src\librustc_symbol_mangling\legacy.rs(104)
rustc_driver-22379f3767b935ec.dll!rustc_middle::util::common::record_time<(),closure-0>() Line 36
	at C:\msys64\home\we\rust\src\librustc_middle\util\common.rs(36)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_symbol_mangling::legacy::get_symbol_hash() Line 94
	at C:\msys64\home\we\rust\src\librustc_symbol_mangling\legacy.rs(94)
rustc_driver-22379f3767b935ec.dll!rustc_symbol_mangling::legacy::mangle() Line 56
	at C:\msys64\home\we\rust\src\librustc_symbol_mangling\legacy.rs(56)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_symbol_mangling::compute_symbol_name() Line 263
	at C:\msys64\home\we\rust\src\librustc_symbol_mangling\lib.rs(263)
rustc_driver-22379f3767b935ec.dll!rustc_symbol_mangling::symbol_name_provider() Line 137
	at C:\msys64\home\we\rust\src\librustc_symbol_mangling\lib.rs(137)
rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::query::{{impl}}::compute() Line 361
	at C:\msys64\home\we\rust\src\librustc_middle\ty\query\plumbing.rs(361)
rustc_driver-22379f3767b935ec.dll!rustc_query_system::dep_graph::graph::DepGraph::with_task_impl<rustc_middle::dep_graph::dep_node::DepKind,rustc_middle::ty::context::TyCtxt,rustc_middle::ty::instance::Instance,rustc_middle::ty::SymbolName,fn(mut rustc_middle::ich::hcx::StableHashingContext*, rustc_middle::ty::SymbolName*) -> core::option::Option<rustc_data_structures::fingerprint::Fingerprint>>() Line 303
	at C:\msys64\home\we\rust\src\librustc_query_system\dep_graph\graph.rs(303)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::try_execute_query() Line 415
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(415)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::get_query_impl::{{closure}}() Line 635
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(635)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::caches::{{impl}}::lookup() Line 111
	at C:\msys64\home\we\rust\src\librustc_query_system\query\caches.rs(111)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::try_get_cached() Line 369
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(369)
rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::get_query_impl<rustc_middle::ty::context::TyCtxt,rustc_query_system::query::caches::DefaultCache<rustc_middle::ty::instance::Instance, rustc_middle::ty::SymbolName>>() Line 631
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(631)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::get_query() Line 731
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(731)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::query::TyCtxtAt::symbol_name() Line 470
	at C:\msys64\home\we\rust\src\librustc_middle\ty\query\plumbing.rs(470)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::context::TyCtxt::symbol_name() Line 431
	at C:\msys64\home\we\rust\src\librustc_middle\ty\query\plumbing.rs(431)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_codegen_ssa::back::symbol_export::reachable_non_generics_provider::{{closure}}() Line 108
	at C:\msys64\home\we\rust\src\librustc_codegen_ssa\back\symbol_export.rs(108)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::iter::adapters::map_fold::{{closure}}() Line 785
	at C:\msys64\home\we\rust\src\libcore\iter\adapters\mod.rs(785)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::iter::adapters::filter_map_fold::{{closure}}() Line 1059
	at C:\msys64\home\we\rust\src\libcore\iter\adapters\mod.rs(1059)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::iter::traits::iterator::Iterator::fold::ok::{{closure}}() Line 2002
	at C:\msys64\home\we\rust\src\libcore\iter\traits\iterator.rs(2002)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::iter::traits::iterator::Iterator::try_fold() Line 1878
	at C:\msys64\home\we\rust\src\libcore\iter\traits\iterator.rs(1878)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::iter::traits::iterator::Iterator::fold() Line 2005
	at C:\msys64\home\we\rust\src\libcore\iter\traits\iterator.rs(2005)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::iter::adapters::{{impl}}::fold() Line 825
	at C:\msys64\home\we\rust\src\libcore\iter\adapters\mod.rs(825)
rustc_driver-22379f3767b935ec.dll!core::iter::adapters::{{impl}}::fold<(rustc_span::def_id::DefId, rustc_middle::middle::exported_symbols::SymbolExportLevel),core::iter::adapters::FilterMap<std::collections::hash::set::Iter<rustc_hir::hir_id::HirId>, closure-0>,closure-1,(),closure-0>() Line 825
	at C:\msys64\home\we\rust\src\libcore\iter\adapters\mod.rs(825)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::iter::traits::iterator::Iterator::for_each() Line 658
	at C:\msys64\home\we\rust\src\libcore\iter\traits\iterator.rs(658)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!hashbrown::map::{{impl}}::extend() Line 2578
	at C:\Users\we\.cargo\registry\src\github.com-1ecc6299db9ec823\hashbrown-0.6.2\src\map.rs(2578)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!std::collections::hash::map::{{impl}}::extend() Line 2417
	at C:\msys64\home\we\rust\src\libstd\collections\hash\map.rs(2417)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!std::collections::hash::map::{{impl}}::from_iter() Line 2402
	at C:\msys64\home\we\rust\src\libstd\collections\hash\map.rs(2402)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!core::iter::traits::iterator::Iterator::collect() Line 1660
	at C:\msys64\home\we\rust\src\libcore\iter\traits\iterator.rs(1660)
rustc_driver-22379f3767b935ec.dll!rustc_codegen_ssa::back::symbol_export::reachable_non_generics_provider() Line 61
	at C:\msys64\home\we\rust\src\librustc_codegen_ssa\back\symbol_export.rs(61)
rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::query::{{impl}}::compute() Line 361
	at C:\msys64\home\we\rust\src\librustc_middle\ty\query\plumbing.rs(361)
rustc_driver-22379f3767b935ec.dll!rustc_query_system::dep_graph::graph::DepGraph::with_task_impl<rustc_middle::dep_graph::dep_node::DepKind,rustc_middle::ty::context::TyCtxt,rustc_span::def_id::CrateNum,std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_middle::middle::exported_symbols::SymbolExportLevel, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>,fn(mut rustc_middle::ich::hcx::StableHashingContext*, std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_middle::middle::exported_symbols::SymbolExportLevel, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>*) -> core::option::Option<rustc_data_structures::fingerprint::Fingerprint>>() Line 303
	at C:\msys64\home\we\rust\src\librustc_query_system\dep_graph\graph.rs(303)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::try_execute_query() Line 415
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(415)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::get_query_impl::{{closure}}() Line 635
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(635)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::caches::{{impl}}::lookup() Line 114
	at C:\msys64\home\we\rust\src\librustc_query_system\query\caches.rs(114)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::try_get_cached() Line 369
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(369)
rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::get_query_impl<rustc_middle::ty::context::TyCtxt,rustc_query_system::query::caches::ArenaCache<rustc_span::def_id::CrateNum, std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_middle::middle::exported_symbols::SymbolExportLevel, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>>() Line 631
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(631)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::get_query() Line 731
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(731)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::query::TyCtxtAt::reachable_non_generics() Line 470
	at C:\msys64\home\we\rust\src\librustc_middle\ty\query\plumbing.rs(470)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::context::TyCtxt::reachable_non_generics() Line 431
	at C:\msys64\home\we\rust\src\librustc_middle\ty\query\plumbing.rs(431)
rustc_driver-22379f3767b935ec.dll!rustc_codegen_ssa::back::symbol_export::exported_symbols_provider_local() Line 171
	at C:\msys64\home\we\rust\src\librustc_codegen_ssa\back\symbol_export.rs(171)
rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::query::{{impl}}::compute() Line 361
	at C:\msys64\home\we\rust\src\librustc_middle\ty\query\plumbing.rs(361)
rustc_driver-22379f3767b935ec.dll!rustc_query_system::dep_graph::graph::DepGraph::with_task_impl<rustc_middle::dep_graph::dep_node::DepKind,rustc_middle::ty::context::TyCtxt,rustc_span::def_id::CrateNum,slice<(rustc_span::def_id::CrateNum, rustc_middle::middle::cstore::LinkagePreference)>*,fn(mut rustc_middle::ich::hcx::StableHashingContext*, slice<(rustc_span::def_id::CrateNum, rustc_middle::middle::cstore::LinkagePreference)>**) -> core::option::Option<rustc_data_structures::fingerprint::Fingerprint>>() Line 303
	at C:\msys64\home\we\rust\src\librustc_query_system\dep_graph\graph.rs(303)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::try_execute_query() Line 415
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(415)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::get_query_impl::{{closure}}() Line 635
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(635)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::caches::{{impl}}::lookup() Line 111
	at C:\msys64\home\we\rust\src\librustc_query_system\query\caches.rs(111)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::try_get_cached() Line 369
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(369)
rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::get_query_impl<rustc_middle::ty::context::TyCtxt,rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::CrateNum, slice<rustc_middle::middle::cstore::ForeignModule>*>>() Line 631
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(631)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_query_system::query::plumbing::get_query() Line 731
	at C:\msys64\home\we\rust\src\librustc_query_system\query\plumbing.rs(731)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::query::TyCtxtAt::exported_symbols() Line 470
	at C:\msys64\home\we\rust\src\librustc_middle\ty\query\plumbing.rs(470)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::context::TyCtxt::exported_symbols() Line 431
	at C:\msys64\home\we\rust\src\librustc_middle\ty\query\plumbing.rs(431)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_metadata::rmeta::encoder::EncodeContext::encode_crate_root() Line 510
	at C:\msys64\home\we\rust\src\librustc_metadata\rmeta\encoder.rs(510)
rustc_driver-22379f3767b935ec.dll!rustc_metadata::rmeta::encoder::encode_metadata_impl() Line 1865
	at C:\msys64\home\we\rust\src\librustc_metadata\rmeta\encoder.rs(1865)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_metadata::rmeta::encoder::encode_metadata::{{closure}}() Line 1815
	at C:\msys64\home\we\rust\src\librustc_metadata\rmeta\encoder.rs(1815)
rustc_driver-22379f3767b935ec.dll!rustc_data_structures::sync::join<closure-0,closure-1,rustc_middle::middle::cstore::EncodedMetadata,()>() Line 160
	at C:\msys64\home\we\rust\src\librustc_data_structures\sync.rs(160)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_metadata::rmeta::encoder::encode_metadata() Line 1814
	at C:\msys64\home\we\rust\src\librustc_metadata\rmeta\encoder.rs(1814)
rustc_driver-22379f3767b935ec.dll!rustc_metadata::rmeta::decoder::cstore_impl::{{impl}}::encode_metadata() Line 503
	at C:\msys64\home\we\rust\src\librustc_metadata\rmeta\decoder\cstore_impl.rs(503)
rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::context::TyCtxt::encode_metadata() Line 1287
	at C:\msys64\home\we\rust\src\librustc_middle\ty\context.rs(1287)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_interface::passes::encode_and_write_metadata() Line 957
	at C:\msys64\home\we\rust\src\librustc_interface\passes.rs(957)
rustc_driver-22379f3767b935ec.dll!rustc_interface::passes::start_codegen() Line 1004
	at C:\msys64\home\we\rust\src\librustc_interface\passes.rs(1004)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_interface::queries::{{impl}}::ongoing_codegen::{{closure}}::{{closure}}() Line 282
	at C:\msys64\home\we\rust\src\librustc_interface\queries.rs(282)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::context::tls::enter_global::{{closure}}() Line 1683
	at C:\msys64\home\we\rust\src\librustc_middle\ty\context.rs(1683)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::context::tls::enter_context::{{closure}}() Line 1671
	at C:\msys64\home\we\rust\src\librustc_middle\ty\context.rs(1671)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::context::tls::set_tlv() Line 1655
	at C:\msys64\home\we\rust\src\librustc_middle\ty\context.rs(1655)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::context::tls::enter_context() Line 1671
	at C:\msys64\home\we\rust\src\librustc_middle\ty\context.rs(1671)
rustc_driver-22379f3767b935ec.dll!rustc_middle::ty::context::tls::enter_global<closure-0,core::result::Result<alloc::boxed::Box<Any>, rustc_errors::ErrorReported>>() Line 1694
	at C:\msys64\home\we\rust\src\librustc_middle\ty\context.rs(1694)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_interface::passes::QueryContext::enter() Line 742
	at C:\msys64\home\we\rust\src\librustc_interface\passes.rs(742)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_interface::queries::{{impl}}::ongoing_codegen::{{closure}}() Line 273
	at C:\msys64\home\we\rust\src\librustc_interface\queries.rs(273)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_interface::queries::Query::compute() Line 34
	at C:\msys64\home\we\rust\src\librustc_interface\queries.rs(34)
rustc_driver-22379f3767b935ec.dll!rustc_interface::queries::Queries::ongoing_codegen() Line 271
	at C:\msys64\home\we\rust\src\librustc_interface\queries.rs(271)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_driver::run_compiler::{{closure}}::{{closure}}() Line 387
	at C:\msys64\home\we\rust\src\librustc_driver\lib.rs(387)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_interface::interface::Compiler::enter() Line 385
	at C:\msys64\home\we\rust\src\librustc_interface\queries.rs(385)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_driver::run_compiler::{{closure}}() Line 258
	at C:\msys64\home\we\rust\src\librustc_driver\lib.rs(258)
rustc_driver-22379f3767b935ec.dll!rustc_interface::interface::run_compiler_in_existing_thread_pool<core::result::Result<(), rustc_errors::ErrorReported>,closure-4>() Line 199
	at C:\msys64\home\we\rust\src\librustc_interface\interface.rs(199)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_interface::interface::run_compiler::{{closure}}() Line 213
	at C:\msys64\home\we\rust\src\librustc_interface\interface.rs(213)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_interface::util::spawn_thread_pool::{{closure}}::{{closure}}::{{closure}}() Line 153
	at C:\msys64\home\we\rust\src\librustc_interface\util.rs(153)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!scoped_tls::ScopedKey::set() Line 137
	at C:\Users\we\.cargo\registry\src\github.com-1ecc6299db9ec823\scoped-tls-1.0.0\src\lib.rs(137)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_interface::util::spawn_thread_pool::{{closure}}::{{closure}}() Line 149
	at C:\msys64\home\we\rust\src\librustc_interface\util.rs(149)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!scoped_tls::ScopedKey::set() Line 137
	at C:\Users\we\.cargo\registry\src\github.com-1ecc6299db9ec823\scoped-tls-1.0.0\src\lib.rs(137)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_ast::attr::with_globals::{{closure}}() Line 44
	at C:\msys64\home\we\rust\src\librustc_ast\attr\mod.rs(44)
rustc_driver-22379f3767b935ec.dll!scoped_tls::ScopedKey::set<rustc_ast::attr::Globals,closure-0,core::result::Result<(), rustc_errors::ErrorReported>>() Line 137
	at C:\Users\we\.cargo\registry\src\github.com-1ecc6299db9ec823\scoped-tls-1.0.0\src\lib.rs(137)
rustc_driver-22379f3767b935ec.dll!rustc_ast::attr::with_globals<core::result::Result<(), rustc_errors::ErrorReported>,closure-0>() Line 0
	at C:\msys64\home\we\rust\src\librustc_ast\attr\mod.rs(0)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!rustc_interface::util::scoped_thread::{{closure}}() Line 123
	at C:\msys64\home\we\rust\src\librustc_interface\util.rs(123)
rustc_driver-22379f3767b935ec.dll!std::sys_common::backtrace::__rust_begin_short_backtrace<closure-0,()>() Line 130
	at C:\msys64\home\we\rust\src\libstd\sys_common\backtrace.rs(130)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!std::thread::{{impl}}::spawn_unchecked::{{closure}}::{{closure}}() Line 475
	at C:\msys64\home\we\rust\src\libstd\thread\mod.rs(475)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!std::panic::{{impl}}::call_once() Line 318
	at C:\msys64\home\we\rust\src\libstd\panic.rs(318)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!std::panicking::try::do_call() Line 297
	at C:\msys64\home\we\rust\src\libstd\panicking.rs(297)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!std::panicking::try() Line 274
	at C:\msys64\home\we\rust\src\libstd\panicking.rs(274)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!std::panic::catch_unwind() Line 394
	at C:\msys64\home\we\rust\src\libstd\panic.rs(394)
[Inline Frame] rustc_driver-22379f3767b935ec.dll!std::thread::{{impl}}::spawn_unchecked::{{closure}}() Line 474
	at C:\msys64\home\we\rust\src\libstd\thread\mod.rs(474)
rustc_driver-22379f3767b935ec.dll!core::ops::function::FnOnce::call_once<closure-0,()>() Line 232
	at C:\msys64\home\we\rust\src\libcore\ops\function.rs(232)
[Inline Frame] std-d61da64fa9946585.dll!alloc::boxed::{{impl}}::call_once() Line 1034
	at C:\msys64\home\we\rust\src\liballoc\boxed.rs(1034)
[Inline Frame] std-d61da64fa9946585.dll!alloc::boxed::{{impl}}::call_once() Line 1034
	at C:\msys64\home\we\rust\src\liballoc\boxed.rs(1034)
std-d61da64fa9946585.dll!std::sys::windows::thread::{{impl}}::new::thread_start() Line 56
	at C:\msys64\home\we\rust\src\libstd\sys\windows\thread.rs(56)
kernel32.dll!BaseThreadInitThunk�()
ntdll.dll!RtlUserThreadStart�()

cc @alexcrichton probably
@petrochenkov petrochenkov added I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. regression-from-stable-to-nightly Performance or correctness regression from stable to nightly. C-bug Category: This is a bug. labels May 6, 2020
@petrochenkov petrochenkov mentioned this issue May 6, 2020
Merged
@jonas-schievink jonas-schievink added I-prioritize Issue: Indicates that prioritization has been requested for this issue. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels May 6, 2020
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The issue disappears after a full clean rebuild of LLVM.

@jyn514 jyn514 removed the I-prioritize Issue: Indicates that prioritization has been requested for this issue. label Feb 28, 2021
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C-bug Category: This is a bug. I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. regression-from-stable-to-nightly Performance or correctness regression from stable to nightly. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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